Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/bimmertest/BookStack/database/migrations/2016_07_07_181521_add_summary_to_page_revisions.php:5 Stack trace: #0 {main} thrown in /home/bimmertest/BookStack/database/migrations/2016_07_07_181521_add_summary_to_page_revisions.php on line 5